/Engine/Plugins/Importers/USDImporter/Source/USDExporter/Public/USDConversionBlueprintLibrary.h
Generates a unique identifier string that involves ObjectToExport's package's persistent guid, the corresponding file save date and time, and the number of times the package has been dirtied since last being saved. Optionally it can also combine that hash with a hash of the export options being used for the export, if available. This can be used to track the version of exported assets and levels, to prevent reexporting of actors and components.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="World utils") static [FString](API\Runtime\Core\Containers\FString) GenerateObjectVersionString ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * ObjectToExport, [UObject](API\Runtime\CoreUObject\UObject\UObject) * ExportOptions )